Finding the Fourth Proportional to 5,101,458.26, 7,040,330.73 and 2,809,618.34
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Solution
The fourth proportional to 5,101,458.26, 7,040,330.73 and 2,809,618.34 is: 3,877,448.63
Step by Step Solution
- Step 1: Write the proportion equation
5,101,458.26 : 7,040,330.73 = 2,809,618.34 : x - Step 2: Convert to fraction form
5,101,458.26/7,040,330.73 = 2,809,618.34/x - Step 3: Cross multiply
5,101,458.26x = 7,040,330.73 × 2,809,618.34 - Step 4: Simplify right side
5,101,458.26x = 19,780,642,303,471.93 - Step 5: Solve for x
x = 19,780,642,303,471.93/5,101,458.26 - Step 6: Final answer
x = 3,877,448.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.